What is the length of ac?

select one:
a. 7.3
b. 5.3
c. 6.3
d. 8.36
next

Which best explains why this triangle is or is not a right triangle?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Someone me! if you’re smart you can solve this!